Death and Cardiac Arrest are not rare during Triathlons
Death rate during Triathlon occurs twice the rate of Marathon
Most deaths occur in middle-aged men, over 45, and during swimming segment
The stress response during swimming is higher than during a Maximal Cardiac Stress Test
Triathlon swimming is different than laps swimming
Added stress is due to waves, temperature changes, poor visibility
Most of the victims had undiagnosed heart disease, uncovered by extreme stress level
USA Triathlon recommends a cardiac examination prior to participating
